Bearings – Rotary bearing – Plain bearing
Patent
1987-11-06
1988-08-16
Footland, Lenard A.
Bearings
Rotary bearing
Plain bearing
384220, 384273, 384278, 384297, 384906, 384909, F16C 1702
Patent
active
047640359
ABSTRACT:
A bearing assembly comprised of a split-ring annular bearing member having overlapping free ends and being molded of self-lubricating plastic material having a pressure velocity value at least equal to 1800 at 100 feet per minute surface speed and an annular continuous elastomeric combined sealing member and spring mounted in supporting relation to the split-ring bearing member and formed of a flowable rubber-like material, the combined sealing and spring member being mounted within a groove behind the bearing member so as to continually apply light pressure thereto to urge the same against the bearing surface so as to maintain a seal thereat; the combined sealing and spring member being of right-angled polyganol cross-sectional configuration and have concaved sides and convex corner lobes and being more narrow than the groove and sufficiently forgiving to avoid undue pressure and consequent wear upon the bearing member over the full range of temperature variations, created by high speed relative movement between parts over prolonged periods, the minimum radial dimension thereof being 60%-75% of its maximum radial dimension, the concavity of the sides being 17%-33% of its maximum radial dimension and the convexity of the corner lobes being 14%-16% of its maximum radial dimension.
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Footland Lenard A.
Quadion Corporation
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